// VisualBoyAdvance - Nintendo Gameboy/GameboyAdvance (TM) emulator.
// Copyright (C) 1999-2003 Forgotten
// Copyright (C) 2004 Forgotten and the VBA development team

// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2, or(at your option)
// any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software Foundation,
// Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

// StringTokenizer.cpp: implementation of the StringTokenizer class.
//
//////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "StringTokenizer.h"

#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#define new DEBUG_NEW
#endif

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////

StringTokenizer::StringTokenizer(CString str, CString del)
{
	m_right = str;
	m_delim = del;
}

StringTokenizer::~StringTokenizer()
{}

const char *StringTokenizer::next()
{
	int index = m_right.FindOneOf(m_delim);

	while (index == 0)
	{
		m_right = m_right.Right(m_right.GetLength()-1);
		index   = m_right.FindOneOf(m_delim);
	}
	if (index == -1)
	{
		if (m_right.IsEmpty())
			return NULL;
		m_token = m_right;
		m_right.Empty();
		return m_token;
	}

	m_token = m_right.Left(index);
	m_right = m_right.Right(m_right.GetLength()-(1+index));

	return m_token;
}

